<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>在线聊天</title>
    <script src="http://47.106.66.89:8080/js/vue.min.js"></script>
    <script src="http://47.106.66.89:8080/js/axios.min.js"></script>
    <link  href="http://47.106.66.89:8080/js/ele-2.15.7/theme-chalk/index.css" rel="stylesheet">
    <script src="http://47.106.66.89:8080/js/ele-2.15.7/index.js"></script>
    <script src="js/txx.js"></script>
</head>
<body>
<div id="app" style="height: 100%">
<!--    <header class="p900 flexbtw">-->
<!--        <h3>在线聊天、在线客服</h3>-->
<!--        <div v-if="ws">-->
<!--            欢迎 {{userId}}-->
<!--            <a href="#">退出</a>-->
<!--        </div>-->
<!--        <div v-else>-->
<!--            请先登录-->
<!--        </div>-->
<!--    </header>-->
    <my-header ref="h" @login="login"></my-header>
    <main class="m900 flexbtw" style="height: calc(100% - 75px)">
        <aside>
            <div v-for="o in onlinesUser" style="display: flex; align-items: center">
                <img :src="o.headimg" height="50px">
                {{o.cname}}
            </div>
        </aside>
        <article>
            <div id="msgs">
                <div v-for="m in messages" :class="m.sender == userId? 'recv':'send'">
                    <label class="user">{{m.sender}}</label>
                    <span class="msg">
                        <span v-if="m.message.indexOf('text:')==0">
                            {{m.message.substring(5)}}
                        </span>
                        <img v-if="m.message.indexOf('image:')==0"
                             :src="m.message.substring(6)" alt="" width="100px">
                    </span>
                </div>
            </div>
            <textarea placeholder="Ctrl + Center 发送" id="msg" v-model="message"></textarea>
            <div id="ops">
                <input placeholder="用户名" v-model="userId">
                <button :disabled="ws" @click="login">登录</button>
                <button :disabled="!ws" @click="send">发送</button>
            </div>
        </article>
    </main>
    <footer>源辰公司</footer>
</div>
<script>
    var v = new Vue({
        el : "#app",
        data : {
            userId:"",
            onlines:[],
            onlinesUser:[],
            messages:[],
            message: "",
            ws:null
        },
        created() {

            document.body.onpaste =  (e)=>{
                var clipboard = e.clipboardData;
                if (clipboard.items[0].type.match(/image/)) {
                    let fd = new FormData();
                    let blob = clipboard.items[0].getAsFile();
                    let nm = "随机文件名.jpg"
                    fd.append("file",blob,nm);
                    axios.post("/upload/image",fd).then(res=>{
                        let webPath = res.data.data;
                        // image: xxxx 图片
                        // text: xxxx 文字
                        this.ws.send("image:" + webPath);
                    });
                }
            }
        },
        methods : {
            login(myinfo){
                if(myinfo){
                    this.userId = myinfo.id;
                }
                if(!this.userId){
                    this.$alert("请输入用户名");
                    return;
                }
                this.ws = new WebSocket("ws://127.0.0.1/talk/" + this.userId);
                this.ws.onmessage = (ev)=>{
                    // console.info(ev);
                    // console.info(ev.data);  // json 字符串
                    let obj = JSON.parse(ev.data);  // TODO
                    this.onlines = obj.onlines;
                    this.onlinesUser = obj.onlinesUser;
                    this.messages.push({
                        sender: obj.sender,
                        message: obj.message
                    });
                }
            },
            send(){
                this.ws.send("text:"+this.message);
            }
        }
    })
</script>
</body>
</html>



















































<style>
    * {
        padding: 0px;
        margin: 0px;
        font-family: "Arial", "Microsoft YaHei", "黑体", "宋体", sans-serif;
    }

    html,body{
        height: 100%;
    }
    body{
        display: flex;
        flex-direction: column;
    }

    a {
        text-decoration: none;
    }

    button{
        padding: 3px 10px;
    }

    .p900 {
        padding: 0px calc((100% - 900px) / 2);
    }

    .m900 {
        width: 900px;
        margin: 0px auto;
    }

    .flexbtw {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    header {
        background-color: #eee;
        flex: none;
    }
    header>h3{
        margin: 10px 0px;
    }

    main {
        flex: auto;
        background-color: #ddd;
    }

    footer {
        flex: none;
        padding: 5px;
        text-align: center;
        background-color: #eee;
    }

    aside {
        width: 200px;
        height: 100%;
        background-color: #ccc;
        flex: none;
    }

    article {
        height: 100%;
        flex: auto;
    }

    article {
        display: flex;
        flex-direction: column;
    }

    #msgs {
        flex: auto;
        box-sizing: border-box;
        padding: 10px;
    }

    #msg {
        flex: none;
        width: 100%;
        height: 100px;
        box-sizing: border-box;
    }

    .send > * {
        float: right;
    }

    .recv > * {
        float: left;
    }

    .send, .recv {
        clear: both;
        padding: 5px 0px;
    }

    .user, .msg {
        padding: 5px;
    }

    .msg {
        background-color: #e9e9e9;
        border-radius: 3px;
    }

    aside>div{
        text-align: center;
        padding: 10px;
        margin: 3px;
        background-color:#8c939d;
    }

    aside>div:hover{
        background-color:#8c939d55;
        cursor: pointer;
    }

    #ops{
        text-align: right;
        padding: 7px;
    }
    #ops>*{
        box-sizing: border-box;
        height: 25px;
        vertical-align: middle;
        margin: 0px 5px;
        text-align: center;
    }
    textarea{
        padding: 3px;
    }
</style>